ArticleJournal of glaucoma2018
Glaucoma Features in an East African Population: A 6-Year Cohort Study of Older Adults in Nakuru, Kenya.
Article in Journal of glaucoma, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 3 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
9 citing papers in PubMed, 3 syntheses or guidelines pooled it, 23 citations in OpenAlex.
- Beyond prevalence: diagnostic heterogeneity in population-based glaucoma studies in Africa-a systematic review.Frontiers in medicine · 2026Pooled it
- Pooled it
- Non-contact tests for identifying people at risk of primary angle closure glaucoma.The Cochrane database of systematic reviews · 2020Pooled it
- Normative optical coherence tomography-based measurements and classification of optic nerve head parameters in adult Congolese subjects.Frontiers in ophthalmology · 2026Article
- Proportion and associated factors of glaucoma among outpatient department at university of Gondar comprehensive specialized hospital tertiary eye care and training center, northwest Ethiopia, 2021.Frontiers in ophthalmology · 2025Article
- Profile of central corneal thickness and corneal endothelial cell morpho-density of in healthy Congolese eyes.BMC ophthalmology · 2021Article
- Prevalence of primary open-angle glaucoma in a Somalia population.International ophthalmology · 2021Article
- Iris surface features and anterior chamber depth in Chinese adolescents.BMC ophthalmology · 2020Article
- Incidence of Visually Impairing Cataracts Among Older Adults in Kenya.JAMA network open · 2019Observational
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
Abstract
purposeGlaucoma is a leading cause of blindness in people of African descent. Minimal data is available from African population-based cohort studies. The primary aims of this study were to describe the normative distribution of glaucoma features to enable glaucoma classification and to assess risk factors for those with glaucoma at follow-up among people aged 50 years and above in Kenya. MATERIALS AND
methodsRandom cluster sampling with probability proportionate to size was used to select a representative cross-sectional sample of adults aged 50 years and above in 2007 to 2008 in Nakuru District, Kenya. A 6-year follow-up was undertaken in 2013 to 2014. Comprehensive ophthalmic examination included visual acuity, digital retinal photography, visual fields, intraocular pressure, optical coherence tomography, and independent grading of optic nerve images. We report glaucoma features, prevalence and predictors for glaucoma based on the International Society for Geographical & Epidemiological Ophthalmology (ISGEO) criteria. Measures were estimated using a Poisson regression model and including inverse-probability weighting for loss to follow-up.
resultsAt baseline, 4414 participants aged 50 years and above underwent examination. Anterior chamber optical coherence tomography findings: mean anterior chamber angle of 36.6 degrees, mean central corneal thickness of 508.1 μm and a mean anterior chamber depth of 2.67 mm. A total of 2171 participants were examined at follow-up. The vertical cup to disc ratio distribution was 0.7 and 0.8 at the 97.5th and 99.5th percentiles, respectively. A total of 88 (4.3%, 95% confidence interval, 3.5%-5.9%) of participants at follow-up had glaucoma consistent with ISGEO criteria. A relative afferent pupillary defect and raised intraocular pressure were associated with the diagnosis.
conclusionsGlaucoma is a public health challenge in low-resource settings. Research into testing and treatment modalities in Africa is needed.
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